Nissan Pathfinder (2010 year). Instruction — part 359
EC-964
< SERVICE DATA AND SPECIFICATIONS (SDS)
[VK56DE]
SERVICE DATA AND SPECIFICATIONS (SDS)
Heated Oxygen sensor 2 Heater
INFOID:0000000005257939
Crankshaft Position Sensor (POS)
INFOID:0000000005257940
EC-698, "Component Inspection"
Camshaft Position Sensor (PHASE)
INFOID:0000000005257941
EC-702, "Component Inspection"
Throttle Control Motor
INFOID:0000000005257942
Fuel Injector
INFOID:0000000005257943
Fuel Pump
INFOID:0000000005257944
Resistance [at 25
°
C (77
°
F)]
8 - 10
Ω
Resistance [at 25
°
C (77
°
F)]
Approximately 1 - 15
Ω
Resistance [at 10 - 60
°
C (50 - 140
°
F)]
11.1 - 14.5
Ω
Resistance [at 25
°
C (77
°
F)]
0.2 - 5.0
Ω
2010 Pathfinder
EM-1
ENGINE
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SECTION
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CONTENTS
ENGINE MECHANICAL
VQ40DE
PRECAUTION . . . . . . . . . . . ...
PRECAUTIONS . . . . . . . . . . . . ...
Precaution Necessary for Steering Wheel Rota-
tion After Battery Disconnect . . . . . . . . .....
Precaution for Drain Engine Coolant . . . . . .....
Precaution for Disconnecting Fuel Piping . . . .....
Precaution for Removal and Disassembly . . . ....
Precaution for Inspection, Repair and Replace-
ment . . . . . . . . . . . . . . . . . . ..
Precaution for Assembly and Installation . . . . ..
Parts Requiring Angle Tightening . . . . . . .....
Precaution for Liquid Gasket . . . . . . . . .....
PREPARATION . . . . . . . . . . .
PREPARATION . . . . . . . . . . . . ...
Special Service Tool . . . . . . . . . . . .....
Commercial Service Tool . . . . . . . . . . ..
FUNCTION DIAGNOSIS . . . . . . . ..
NOISE, VIBRATION AND HARSHNESS
(NVH) TROUBLESHOOTING . . . . . . .
NVH Troubleshooting - Engine Noise . . . . . .
Use the Chart Below to Help You Find the Cause
of the Symptom . . . . . . . . . . . . . ...
ON-VEHICLE MAINTENANCE . . . . .
DRIVE BELTS . . . . . . . . . . . . .
Exploded View . . . . . . . . . . . . . .
Checking Drive Belts . . . . . . . . . . . ...
Adjustment . . . . . . . . . . . . . . . ..
Removal and Installation . . . . . . . . . . .
Drive Belt Auto Tensioner and Idler Pulley . . . .
AIR CLEANER FILTER . . . . . . . . . .
Exploded View . . . . . . . . . . . . . . .
Removal and Installation . . . . . . . . . . .
SPARK PLUG . . . . . . . . . . . . ...
Exploded View . . . . . . . . . . . . . . .
Removal and Installation . . . . . . . . . . .
CAMSHAFT VALVE CLEARANCE . . . . ..
Valve Clearance . . . . . . . . . . . . . ..
COMPRESSION PRESSURE . . . . . . ...
Compression Pressure . . . . . . . . . . .
ON-VEHICLE REPAIR . . . . . . . . .
ENGINE ROOM COVER . . . . . . . . ...
Removal and Installation . . . . . . . . . . .
AIR CLEANER AND AIR DUCT . . . . . ...
Exploded View . . . . . . . . . . . . . . .
Removal and Installation . . . . . . . . . . .
INTAKE MANIFOLD COLLECTOR . . . . ..
Exploded View . . . . . . . . . . . . . . .
Removal and Installation . . . . . . . . . . .
INTAKE MANIFOLD . . . . . . . . . . .
Exploded View . . . . . . . . . . . . . . .
Removal and Installation . . . . . . . . . . .
EXHAUST MANIFOLD AND THREE WAY
CATALYST . . . . . . . . . . . . . .
Exploded View . . . . . . . . . . . . . . .
Removal and Installation (Three Way Catalyst) . ..
Removal and Installation (Exhaust Manifold) . . ..
OIL PAN AND OIL STRAINER . . . . . . .
Exploded View . . . . . . . . . . . . . . .
Removal and Installation . . . . . . . . . . .
IGNITION COIL . . . . . . . . . . . . .
Exploded View . . . . . . . . . . . . . . .
2010 Pathfinder
EM-2
Removal and Installation . . . . . . . . . ....
ROCKER COVER . . . . . . . . . . . ..
Exploded View . . . . . . . . . . . . . ....
Removal and Installation . . . . . . . . . ....
FUEL INJECTOR AND FUEL TUBE . . . . .
Exploded View . . . . . . . . . . . . . ....
Removal and Installation . . . . . . . . . ....
FRONT TIMING CHAIN CASE . . . . . . ..
Exploded View . . . . . . . . . . . . . ....
Removal and Installation . . . . . . . . . ....
TIMING CHAIN . . . . . . . . . . . . ..
Exploded View . . . . . . . . . . . . . ....
Removal and Installation . . . . . . . . . ....
REAR TIMING CHAIN CASE . . . . . . .
Exploded View . . . . . . . . . . . . . ....
Removal and Installation . . . . . . . . . ....
CAMSHAFT . . . . . . . . . . . . . ...
Exploded View . . . . . . . . . . . . . ....
Removal and Installation . . . . . . . . . ....
OIL SEAL . . . . . . . . . . . . . . ...
Removal and Installation of Valve Oil Seal . . . .
Removal and Installation of Front Oil Seal . . . .
Removal and Installation of Rear Oil Seal . . . ..
CYLINDER HEAD . . . . . . . . . . . ..
Exploded View . . . . . . . . . . . . . ....
Removal and Installation . . . . . . . . . ....
Exploded View . . . . . . . . . . . . . ....
Disassembly and Assembly . . . . . . . . ....
Inspection After Disassembly . . . . . . . . .
REMOVAL AND INSTALLATION . . . ...
ENGINE ASSEMBLY . . . . . . . . . . .
Exploded View . . . . . . . . . . . . . ....
Removal and Installation . . . . . . . . . ....
DISASSEMBLY AND ASSEMBLY . . .
ENGINE UNIT . . . . . . . . . . . . ..
Exploded View . . . . . . . . . . . . . ...
Disassembly and Assembly . . . . . . . . ...
Inspection After Disassembly . . . . . . . .
Dowel Pin Alignment . . . . . . . . . . . .
HOW TO SELECT PISTON AND BEARING ...
How to Select Piston and Bearing . . . . . . .
SERVICE DATA AND SPECIFICATIONS
(SDS) . . . . . . . . . . . . . . ..
SERVICE DATA AND SPECIFICATIONS
(SDS) . . . . . . . . . . . . . . . .
Standard and Limit . . . . . . . . . . . .
VK56DE
PRECAUTION . . . . . . . . . . ...
PRECAUTIONS . . . . . . . . . . . .
Precaution Necessary for Steering Wheel Rota-
tion After Battery Disconnect . . . . . . . .
Precaution for Drain Engine Coolant . . . . .
Precaution for Disconnecting Fuel Piping . . . .
Precaution for Removal and Disassembly . . .
Precaution for Inspection, Repair and Replace-
ment . . . . . . . . . . . . . . . . . ..
Precaution for Assembly and Installation . . . ..
Parts Requiring Angular Tightening . . . . . ..
Precaution for Liquid Gasket . . . . . . . . .
PREPARATION . . . . . . . . . . .
PREPARATION . . . . . . . . . . . .
Special Service Tool . . . . . . . . . . . .
Commercial Service Tool . . . . . . . . . ..
FUNCTION DIAGNOSIS . . . . . . ...
NOISE, VIBRATION, AND HARSHNESS
(NVH) TROUBLESHOOTING . . . . . . ...
NVH Troubleshooting - Engine Noise . . . . ...
Use the Chart Below to Help You Find the Cause
of the Symptom . . . . . . . . . . . . . .
ON-VEHICLE MAINTENANCE . . . . .
DRIVE BELTS . . . . . . . . . . . . ..
Exploded View . . . . . . . . . . . . . ..
Checking Drive Belts . . . . . . . . . . . .
Adjustment . . . . . . . . . . . . . . .
Removal and Installation . . . . . . . . . ...
Drive Belt Auto Tensioner and Idler Pulley . . ...
AIR CLEANER FILTER . . . . . . . . .
Exploded View . . . . . . . . . . . . . ..
Removal and Installation . . . . . . . . . ...
SPARK PLUG . . . . . . . . . . . . ...
Exploded View . . . . . . . . . . . . . ..
Removal and Installation . . . . . . . . . ...
CAMSHAFT VALVE CLEARANCE . . . . .
Valve Clearance . . . . . . . . . . . . .
COMPRESSION PRESSURE . . . . . . ..
Compression Pressure . . . . . . . . . . .
ON-VEHICLE REPAIR . . . . . . . ..
ENGINE ROOM COVER . . . . . . . . ..
Removal and Installation . . . . . . . . . ...
AIR CLEANER AND AIR DUCT . . . . . ...
Exploded View . . . . . . . . . . . . . ..
Removal and Installation . . . . . . . . . ...
2010 Pathfinder
EM-3
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INTAKE MANIFOLD . . . . . . . . . . .
Exploded View . . . . . . . . . . . . . ..
Removal and Installation . . . . . . . . . ...
EXHAUST MANIFOLD AND THREE WAY
CATALYST . . . . . . . . . . . . . ...
Exploded View . . . . . . . . . . . . . ..
Removal and Installation . . . . . . . . . ...
OIL PAN AND OIL STRAINER . . . . . .
Exploded View . . . . . . . . . . . . . ..
Removal and Installation . . . . . . . . . ...
IGNITION COIL . . . . . . . . . . . .
Exploded View . . . . . . . . . . . . . ..
Removal and Installation . . . . . . . . . ...
ROCKER COVER . . . . . . . . . . . .
Exploded View . . . . . . . . . . . . . ..
Removal and Installation . . . . . . . . . ...
FUEL INJECTOR AND FUEL TUBE . . . ...
Exploded View . . . . . . . . . . . . . ..
Removal and Installation . . . . . . . . . ...
TIMING CHAIN . . . . . . . . . . . . .
Exploded View . . . . . . . . . . . . . ..
Removal and Installation . . . . . . . . . ...
CAMSHAFT . . . . . . . . . . . . . ..
Exploded View . . . . . . . . . . . . . ..
Removal and Installation . . . . . . . . . ...
Inspection after Installation . . . . . . . . ...
OIL SEAL . . . . . . . . . . . . . .
Removal and Installation of Valve Oil Seal . . .
Removal and Installation of Front Oil Seal . . .
Removal and Installation of Rear Oil Seal . . . .
CYLINDER HEAD . . . . . . . . . . ...
Exploded View . . . . . . . . . . . . . ...
Removal and Installation . . . . . . . . . ...
Exploded View . . . . . . . . . . . . . ...
Disassembly and Assembly . . . . . . . . ...
Inspection After Disassembly . . . . . . . .
REMOVAL AND INSTALLATION . . . .
ENGINE ASSEMBLY . . . . . . . . . ..
Exploded View . . . . . . . . . . . . . ...
Removal and Installation . . . . . . . . . ...
DISASSEMBLY AND ASSEMBLY . . .
ENGINE UNIT . . . . . . . . . . . . ..
Exploded View . . . . . . . . . . . . . ...
Disassembly and Assembly . . . . . . . . ...
Inspection After Disassembly . . . . . . . .
HOW TO SELECT PISTON AND BEARING ..
How to Select Piston and Bearing . . . . . . .
SERVICE DATA AND SPECIFICATIONS
(SDS) . . . . . . . . . . . . . . ..
SERVICE DATA AND SPECIFICATIONS
(SDS) . . . . . . . . . . . . . . . ...
Standard and Limit . . . . . . . . . . . .
2010 Pathfinder
EM-4
< PRECAUTION >
[VQ40DE]
PRECAUTIONS
PRECAUTION
PRECAUTIONS
Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT
PRE-TENSIONER"
INFOID:0000000005531974
The Supplemental Restraint System such as “AIR BAG” and “SEAT BELT PRE-TENSIONER”, used along
with a front seat belt, helps to reduce the risk or severity of injury to the driver and front passenger for certain
types of collision. This system includes seat belt switch inputs and dual stage front air bag modules. The SRS
system uses the seat belt switches to determine the front air bag deployment, and may only deploy one front
air bag, depending on the severity of a collision and whether the front occupants are belted or unbelted.
Information necessary to service the system safely is included in the SR and SB section of this Service Man-
ual.
WARNING:
• To avoid rendering the SRS inoperative, which could increase the risk of personal injury or death in
the event of a collision which would result in air bag inflation, all maintenance must be performed by
an authorized NISSAN/INFINITI dealer.
• Improper maintenance, including incorrect removal and installation of the SRS, can lead to personal
injury caused by unintentional activation of the system. For removal of Spiral Cable and Air Bag
Module, see the SR section.
• Do not use electrical test equipment on any circuit related to the SRS unless instructed to in this
Service Instruction. SRS wiring harnesses can be identified by yellow and/or orange harnesses or har-
ness connectors.
PRECAUTIONS WHEN USING POWER TOOLS (AIR OR ELECTRIC) AND HAMMERS
WARNING:
• When working near the Airbag Diagnosis Sensor Unit or other Airbag System sensors with the Igni-
tion ON or engine running, DO NOT use air or electric power tools or strike near the sensor(s) with a
hammer. Heavy vibration could activate the sensor(s) and deploy the air bag(s), possibly causing
serious injury.
• When using air or electric power tools or hammers, always switch the Ignition OFF, disconnect the
battery, and wait at least 3 minutes before performing any service.
Precaution Necessary for Steering Wheel Rotation After Battery Disconnect
INFOID:0000000005260419
NOTE:
• This Procedure is applied only to models with Intelligent Key system and NATS (NISSAN ANTI-THEFT SYS-
TEM).
• Remove and install all control units after disconnecting both battery cables with the ignition knob in the
″
LOCK
″
position.
• Always use CONSULT-III to perform self-diagnosis as a part of each function inspection after finishing work.
If DTC is detected, perform trouble diagnosis according to self-diagnostic results.
For models equipped with the Intelligent Key system and NATS, an electrically controlled steering lock mech-
anism is adopted on the key cylinder.
For this reason, if the battery is disconnected or if the battery is discharged, the steering wheel will lock and
steering wheel rotation will become impossible.
If steering wheel rotation is required when battery power is interrupted, follow the procedure below before
starting the repair operation.
OPERATION PROCEDURE
1. Connect both battery cables.
NOTE:
Supply power using jumper cables if battery is discharged.
2. Use the Intelligent Key or mechanical key to turn the ignition switch to the
″
ACC
″
position. At this time, the
steering lock will be released.
3. Disconnect both battery cables. The steering lock will remain released and the steering wheel can be
rotated.
4. Perform the necessary repair operation.
2010 Pathfinder
PRECAUTIONS
EM-5
< PRECAUTION >
[VQ40DE]
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5. When the repair work is completed, return the ignition switch to the
″
LOCK
″
position before connecting
the battery cables. (At this time, the steering lock mechanism will engage.)
6. Perform a self-diagnosis check of all control units using CONSULT-III.
Precaution for Drain Engine Coolant
INFOID:0000000005260420
Drain engine coolant when engine is cooled.
Precaution for Disconnecting Fuel Piping
INFOID:0000000005260421
• Before starting work, make sure no fire or spark producing items are in the work area.
• Release fuel pressure before disconnecting and disassembly.
• After disconnecting pipes, plug openings to stop fuel leakage.
Precaution for Removal and Disassembly
INFOID:0000000005260422
• When instructed to use special service tools, use the specified tools. Always be careful to work safely, avoid
forceful or uninstructed operations.
• Exercise maximum care to avoid damage to mating or sliding surfaces.
• Cover openings of engine system with tape or equivalent, if necessary, to seal out foreign materials.
• Mark and arrange disassembly parts in an organized way for easy troubleshooting and re-assembly.
• When loosening nuts and bolts, as a basic rule, start with the one furthest outside, then the one diagonally
opposite, and so on. If the order of loosening is specified, do exactly as specified. Power tools may be used
in the step.
Precaution for Inspection, Repair and Replacement
INFOID:0000000005260423
Before repairing or replacing, thoroughly inspect parts. Inspect new replacement parts in the same way, and
replace if necessary.
Precaution for Assembly and Installation
INFOID:0000000005260424
• Use torque wrench to tighten bolts or nuts to specification.
• When tightening nuts and bolts, as a basic rule, equally tighten in several different steps starting with the
ones in center, then ones on inside and outside diagonally in this order. If the order of tightening is specified,
do exactly as specified.
• Replace with new gasket, packing, oil seal or O-ring.
• Thoroughly wash, clean, and air-blow each part. Carefully check engine oil or engine coolant passages for
any restriction and blockage.
• Avoid damaging sliding or mating surfaces. Completely remove foreign materials such as cloth lint or dust.
Before assembly, oil sliding surfaces well.
• Release air within route when refilling after draining engine coolant.
• Before starting engine, apply fuel pressure to fuel lines with turning ignition switch ON (with engine stopped).
Then make sure that there are no leaks at fuel line connections.
• After repairing, start engine and increase engine speed to check engine coolant, fuel, engine oil, and
exhaust gasses for leakage.
Parts Requiring Angle Tightening
INFOID:0000000005260425
• For the final tightening of the following engine parts use Tool:
- Cylinder head bolts
- Lower cylinder block bolts
- Connecting rod cap bolts
- Crankshaft pulley bolt (No angle wrench is required as bolt flange is provided with notches for angle tighten-
ing)
• Do not use a torque value for final tightening.
• The torque value for these parts are for a preliminary step.
• Ensure thread and seat surfaces are clean and coated with engine oil.
Tool number
: KV10112100 (BT-8653-A)
2010 Pathfinder
EM-6
< PRECAUTION >
[VQ40DE]
PRECAUTIONS
Precaution for Liquid Gasket
INFOID:0000000005260426
REMOVAL OF LIQUID GASKET SEALING
• After removing nuts and bolts, separate the mating surface and
remove old liquid gasket sealing using Tool.
CAUTION:
Be careful not to damage the mating surfaces.
• Tap seal cutter to insert it (1), and then slide it by tapping on the
side (2) as shown.
• In areas where Tool is difficult to use, use plastic hammer to lightly
tap the part, to remove it.
CAUTION:
If for some unavoidable reason tool such as screwdriver is
used, be careful not to damage the mating surfaces.
LIQUID GASKET APPLICATION PROCEDURE
1. Remove the old liquid gasket adhering to the gasket application
surface and the mating surface using suitable tool.
• Remove liquid gasket completely from the groove of the gas-
ket application surface, bolts, and bolt holes.
2. Thoroughly clean the mating surfaces and remove adhering
moisture, grease and foreign materials.
3. Attach liquid gasket tube to the Tool.
Use Genuine RTV Silicone Sealant or equivalent. Refer to
GI-14, "Recommended Chemical Products and Sealants"
.
4. Apply the liquid gasket without breaks to the specified location
with the specified dimensions.
• If there is a groove for the liquid gasket application, apply the
liquid gasket to the groove.
• As for bolt holes, normally apply the liquid gasket inside the
holes. Occasionally, it should be applied outside the holes.
Make sure to read the text of this manual.
• Within five minutes of liquid gasket application, install the mat-
ing component.
• If the liquid gasket protrudes, wipe it off immediately.
• Do not retighten nuts or bolts after the installation.
• Wait 30 minutes or more after installation, before refilling the
engine with engine oil and engine coolant.
CAUTION:
If there are specific instructions in this manual, observe them.
Tool number
: KV10111100 (J-37228)
WBIA0566E
PBIC0003E
Tool number
: WS39930000 (
—
)
WBIA0567E
SEM159F
2010 Pathfinder
PREPARATION
EM-7
< PREPARATION >
[VQ40DE]
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PREPARATION
PREPARATION
Special Service Tool
INFOID:0000000005260427
The actual shapes of Kent-Moore tools may differ from those of special service tools illustrated here.
Tool number
(Kent-Moore No.)
Tool name
Description
ST0501S000
( — )
Engine stand assembly
1. ST05011000
( — )
Engine stand
2. ST05012000
( — )
Base
Disassembling and assembling engine
—
(J-45488)
Quick connector release
Removing fuel tube quick connectors in en-
gine room
(Available in SEC. 164 of PARTS CATALOG:
Part No. 16441 6N210)
KV10111100
(J-37228)
Seal cutter
Removing oil pan (lower and upper), front and
rear timing chain case, etc.
WS39930000
( — )
Tube presser
Pressing the tube of liquid gasket
KV991J0050
(J-44626)
Air fuel sensor Socket
Loosening or tightening air fuel ratio A/F sen-
sor
a: 22 mm (0.87 in)
KV10114400
(J-38365)
Heated oxygen sensor wrench
Loosening or tightening heated oxygen sen-
sor 1
a: 22 mm (0.87 in)
NT042
PBIC0198E
NT046
NT052
LBIA0444E
NT636
2010 Pathfinder
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